m10 螺絲 尺寸規格表螺絲攻下孔徑. 螺絲攻下孔徑標稱Nominalsize 鉆頭徑Drill dia 2級下孔徑JIS Class 2drillholedia D1 內螺紋內徑JIS Class 2internal thread minor ...
確定! 回上一頁